Usually after hydrocele surgery, infection can be avoided by drinking more water, keeping private parts clean, avoiding strenuous exercise, and preventive medication. 1. Drink more water: patients need to increase the amount of water and urinate regularly, which can flush the urethra and reduce the pathogenic microorganisms in the urinary tract. 2. Keep your private parts clean: after the operation, you need to pay attention to the hygiene of your private parts, keep the perineum dry and clean, and change your underwear frequently to prevent the breeding of bacteria. 3. Avoid strenuous exercise: for patients with indwelling urinary catheters, avoid strenuous exercise after surgery to prevent the catheter from shifting during strenuous exercise, which may cause damage to the urethral tissue and increase the chance of infection. 4. Prophylactic medication: Secondly, for patients who have undergone hydrocele surgery, antibiotics, such as levofloxacin, amoxicillin, cefuroxime, etc., need to be applied according to the doctor’s instructions. All in all, hydrocele patients need to strengthen the daily life management after surgery, if discomfort occurs, need to report to the doctor in time. The above medications should be used under the guidance of a professional physician to avoid blind use of medication, so as not to aggravate the condition.